9-5SOLUTIONS TO COMMON PROBLEMS9Testing and cleaning the BJ cartridge printhead ___________________________________________The print head in the BJ cartridge contains nozzles through which ink is propelled onto the paper. Tomaintain the best possible print quality, these nozzles need to be cleaned from time to time. Your faxis equipped with a print head cleaning function that does this.■ Printing the nozzle check patternBefore cleaning the print head, you may want to print the nozzle check pattern to test the print headof the BJ cartridge installed in the fax. This test shows if each print head nozzle is operatingproperly.1 Press [Function].▼Press [Cleaning].2 Use [3] or [4] to select NOZZLE CHECK.▼Press [Start/Copy].The fax prints the nozzle check pattern.n Print the nozzle check pattern again after cleaning the BJ cartridge print head to check if cleaningcorrected the problem.Nozzle check patternIf the pattern is brokenor missing, clean the BJcartridge print head (seep. 9-6).
